Margaret A. Sun, MD
NPI 1174508584ActiveIndividual· Family Medicine· East Providence, RI
Family Medicine (MD) in East Providence, Rhode Island, trained at State University of New York at Stony Brook, School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $199,910 for 2,217 claims, against $8,077 paid for services in 2024. Abbvie Inc. reported $15.13 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1174508584 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 8, 2005 |
| Last updated in NPPES | Apr 22, 2026 |
| Certified by provider | Apr 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | RI8624 | RI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 34 |
|---|---|
| Services billed | 102 across 21 procedure codes |
| Paid by Medicare | $8,077 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,217 · 5,157 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $199,910 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Family Practice |
Hospital affiliations
- Kent County Memorial HospitalWarwick, RI
- The Miriam HospitalProvidence, RI
Industry payments (Open Payments)
- 2025$15.13 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $15.13 | 1 |
What the 2025 payments were for
- Food and Beverage$15.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 family medicine physicians in East Providence · All family medicine physicians in Rhode Island